Improvement in harvesters



c. c. BRADLEY,

HARVEST'ER.

Patented, May'23, 1876.

MPETERS, PHOTO-LITHOGRAFHER. WASHINGTON D C UNITED STATES PATENT QFFICE.

CHRISTOPHER O. BRADLEY, OF SYRA GUSE, NEW YORK.

IMPROVEMENT- IN HARVESTERS.

Specification forming part of Letters Patent No. I 77,680, dated May 23, 1876; application filed March 18, 1876.

To all whom it may concern:

Be it known that I, CHRISTOPHER O. BRAD LEY, of Syracuse, New York, have invented a new and useful Improvementin Harvesters, of which the following is a specification My invention relates to the pitmen of mowin g and reaping machines and consists of the adjustable, elastic, self-oiling, ball-and-socket connection between the pitman and the cutterbar hereinafter described.

Similar letters of reference indicate correspondin g parts in all the drawing, of which- Figure 1 is a top view, and Fig. 2 a side elevation, of my improved device 5 Fig. 3, a hor.- izontal section of my improx'ed ball-and-socket connection, and Fig 4 a vertical section of on its upper surface, through which it is supplied. O is the pitman-bar, connected to the I driving-crank by any suitable pivoted journalbox, such as that shown and lettered I). E and F are two socket-clasps, grasping the cutter-bar head upon both sides, E attached rigidly to the opposite extremity of the pitmanbar from that connected with the crank, and

F removably secured by means of a bolt and lock-nut, G and H, passing through and connecting both clasps, and held in position by a conical stud, I, taking into a correspondingly-shaped recess, J, formed in the clasp E. K is a piece of rubber or other elastic material, placed in the recess J for the stud to press upon, whereby a certain elasticity of compression is imparted to the socket-clasps.

The joint is entirely self-oiling, can be readily adjusted in tension, while all slack can be easily taken up 3 is simple, elastic in its action, will not become loose or irregular, and secures, in connection with the pivoted journal-box, a perfectly-free action to the pitm'an.

The clasps and head may be made of any desired anti-friction metal.

Having thus described my invention, I

claim and desire to secure by Letters Patent of CHRISTOPHER G. BRADLEY.

Witnesses:

E. H. WILDER, O. S. BUNNELL. 

